Home / 53,382.61-80,011.36-21,772.94

Finding the Fourth Proportional to 53,382.61, 80,011.36 and 21,772.94

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Solution

The fourth proportional to 53,382.61, 80,011.36 and 21,772.94 is: 32,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,382.61 : 80,011.36 = 21,772.94 : x
  2. Step 2: Convert to fraction form
    53,382.61/80,011.36 = 21,772.94/x
  3. Step 3: Cross multiply
    53,382.61x = 80,011.36 × 21,772.94
  4. Step 4: Simplify right side
    53,382.61x = 1,742,082,540.60
  5. Step 5: Solve for x
    x = 1,742,082,540.60/53,382.61
  6. Step 6: Final answer
    x = 32,633.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.